TWM607821U - Electric vehicle structure - Google Patents

Abstract

This creation is related to an electric vehicle structure. The electric vehicle has at least one frame unit and a body cover unit that can cover the frame unit; the frame unit has at least a rear frame, and the frame unit is provided with There is a cushion, the seat cushion is controlled by a seat cushion lock provided on the frame unit to lock or unlock; the body cover unit has at least a side body cover and a foot pedal; below the foot pedal is defined a An accommodating space, in which a battery box is accommodated, and a battery capable of supplying power to the driving unit for driving the electric vehicle is accommodated in the battery box. The battery box can be locked or unlocked by a locking device. On the same side of the frame, a first fixing bracket is arranged by locking or welding, a second fixing bracket is locked on one side of the first fixing bracket, a first solenoid valve is arranged on the first fixing bracket, and the second fixing A second solenoid valve is arranged on the bracket to improve the convenience and anti-theft performance of the electric vehicle.

Description

Electric vehicle structure

This creation is related to an electric vehicle structure, especially an electric vehicle structure that can improve the convenience of electric vehicle operation and the anti-theft.

As shown in Figure 1, the electric vehicle 1 facilitates the opening of the seat cushion 11. A solenoid valve 13 is provided on the seat cushion lock 12 that controls whether the seat cushion 11 is opened or not. The solenoid valve 13 is electrically connected to the main engine through a control wire 131. Switch lock 14 (or other electrical control switch). The driver only needs to operate the main switch lock 14 to activate the solenoid valve 13 via the control wire 131. The solenoid valve 13 can unlock the seat cushion lock 12, thereby achieving the convenient effect of opening the seat cushion 11 .

As shown in FIG. 1, because the solenoid valve 13 is directly arranged on the seat cushion lock 12, and the control wire 131 is extended from the main switch lock 14 along the side frame 15 to the rear end of the electric vehicle 1. The solenoid valve 13 therefore causes the control wire 131 to become very long and easy to be pulled, so that the anti-theft of the glove box 16 located under the seat cushion 11 is weakened, and the control wire 131 is stable due to the considerable length of the control wire 131 Therefore, the side frame 15 must be provided with a positioning mechanism for the control wire 131, such as hooks, embedded grooves, etc., which undoubtedly complicates the structure of the electric vehicle 1; However, because the solenoid valve 13 is directly installed on the seat cushion lock 12, and the seat cushion lock 12 cannot be completely shielded by the seat cushion 11 or the car body cover, the external dust and rain will directly attack The electricity The solenoid valve 13 may be damaged and unable to operate in severe cases.

Therefore, how to provide an electric vehicle structure to improve the safety and anti-theft of the solenoid valve that controls the electromagnetic opening of the component has become an urgent problem for the electric vehicle industry.

The main purpose of this creation is to provide an electric vehicle structure, which can overcome the lack of safety and poor anti-theft of the solenoid valve that is electromagnetically opened by the control part of the conventional electric vehicle.

To this end, the first main technical means of this creation is to provide an electric vehicle structure that has at least a frame unit and a body cover unit that can cover the frame unit; the frame unit has at least The rear frame, the frame unit is provided with a cushion, the seat cushion is controlled by a seat cushion lock provided on the frame unit to control its locking or opening; the body cover unit has at least a side body cover and a pedal Plate; below the foot pedal defines an accommodating space, the accommodating space accommodates a battery box, the battery box accommodates a battery that can supply power to drive the electric vehicle driving unit, the battery box can be a The locking device locks or unlocks, a first fixing bracket is locked or welded on the same side of the rear frame portion, a second fixing bracket is locked on one side of the first fixing bracket, and the first fixing bracket is A first solenoid valve is provided, and a second solenoid valve is provided on the second fixing bracket.

For this reason, the second main technical means of this creation is to provide an electric vehicle structure. One end of the first solenoid valve is connected to the locking device with a first control actuation line, and the other end is electrically connected to a control via a first control wire. unit.

For this reason, the third main technical means of this creation is to provide an electric vehicle structure In this way, one end of the second solenoid valve is connected to the seat cushion lock through a second control actuation line, and the other end is electrically connected to a control unit through a second control wire.

To this end, the fourth main technical means of this creation is to provide an electric vehicle structure, wherein the first fixing bracket and the second fixing bracket are provided with embedded grooves.

For this reason, the fifth main technical means of this creation is to provide an electric vehicle structure. The first fixing bracket is located on the rising part of the frame unit; the second fixing bracket is located on the side frame of the frame unit. Ministry.

To this end, the sixth main technical means of this creation is to provide an electric vehicle structure in which the battery box is pivotally supported in the accommodating space in the left-right direction of the vehicle body by a support shaft.

To this end, the seventh main technical means of this creation is to provide an electric vehicle structure, the body cover unit has a central body cover; the central body cover is arranged below the front end of the seat cushion, and the battery box is stored in the In the accommodating space defined by the left foot tube, the right foot tube, the foot pedal and the bottom cover of the frame unit, at least a part of the rear part of the battery box is extended toward the rear of the car body than the central car body cover.

To this end, the eighth main technical means of this creation is to provide an electric vehicle structure. A bottom cover is provided under the pedal, the pedal is locked on the upper side of the battery box, and the bottom cover is locked on the upper side of the battery box. The lower side of the battery box; the foot pedal on the upper side of the battery box and the bottom cover on the lower side of the battery box are opened synchronously with the battery box, when the battery box is opened at a right angle to the ground At this time, the rear end of the battery box penetrates the lower edge of the accommodating space toward the ground.

For this reason, the ninth main technical means of this creation is to provide an electric vehicle structure, one side of the battery box is provided with an opening device, and the opening device is connected to a control unit.

For this reason, the tenth main technical means of this creation is to provide an electric vehicle structure A pair of left and right rear rocker arms are pivoted on the lower rear of the rear frame, and rear wheels are pivoted on the rear end of the rear rocker arm.

The effect that this creation can achieve by the first main technical means is to improve the convenience and anti-theft of the operation of the electric vehicle.

The effect that this creation can achieve by the second main technical means is that the lengths of the first control actuation line and the first control wire can be effectively shortened, so that the first control actuation line and the first control actuation line can be improved. The arrangement of a control wire improves the overall anti-theft performance of the electric vehicle.

The effect that this creation can achieve by the third main technical means is that the length of the second control actuation line and the second control wire can be effectively shortened, thereby facilitating the second control actuation line and the first control line. 2. The arrangement of control wires and the improvement of the overall anti-theft performance of the electric vehicle.

The effect of this creation through the fourth main technical means is that it can make the first control actuation line and the second control actuation line have better stable positioning and operability.

The effect of this creation through the fifth main technical means is that it can facilitate the assembly process of the first fixing bracket and the second fixing bracket.

The effect of this creation through the sixth main technical means is that it can facilitate the extraction of the battery.

The effect that this creation can achieve by the seventh main technical means is that it can avoid interference with other parts after the battery box is enlarged, and further improve the use effect of the battery box.

The effect that this creation can achieve by the eighth main technical means is: to facilitate the driver to withdraw the battery from the battery box, and at the same time, it can prevent the battery box from becoming larger. Other parts produce interference, which can further enhance the use effect of the battery box.

The effect of this creation through the ninth main technical means is that it can facilitate the extraction of the battery.

The effect of this creation through the tenth main technical means is: to improve the maneuverability of the electric vehicle.

1: Electric car

11: seat cushion

12: seat cushion lock

13: Solenoid valve

131: Control wire

14: Main switch lock

15: Side frame

16: storage box

2: electric car

21: Frame unit

211: Supervisor

212: Left foot tube

2121: Left shaft support

213: Right foot tube

2131: Right shaft support

214: Rear Frame

2141: ascending part

2141a: horizontal tube

2142: Side frame

22: head tube

221: Steering Mechanism

23: Fork unit

24: front wheel

25: rear wheel

26: seat cushion

26a: seat cushion lock

26a1: Second control actuation line

26a2: second control wire

27: body cover unit

271: car head cover

272: Front body cover

273: Knee Mask

274: Foot Pedal

275: bottom cover

276: Side car body cover

277: Central body cover

28: storage box

29: Footrest

3: drive unit

4: battery

41: second battery

5: Battery box

51: fulcrum

52: positioning parts

6: Turn on the device

7: Control unit

8: Locking device

81: The first control actuation line

82: The first control wire

9: The first fixing bracket

9a: Embedded groove

91: second fixing bracket

91a: Embedded groove

A: Housing space

C: The first solenoid valve

C1: The second solenoid valve

P: Rear swing arm

[Figure 1] is a schematic diagram of a conventional electric vehicle.

[Figure 2] is a schematic side view of the electric car of this creation.

[Figure 3] is a schematic side view of the electric vehicle of this creation with the body cover removed.

[Figure 4] is a partial top view diagram of the electric vehicle of this creation with the body cover removed.

[Figure 5] is an exploded view of the solenoid valve and fixing bracket of the electric vehicle of this creation.

[Figure 6] is a three-dimensional view of the solenoid valve and fixed bracket of the electric vehicle of the original creation on the frame.

In order to make it easier for your reviewers to understand the structure of this creation and the effects that can be achieved, I would like to explain it with the diagram below;

First of all, please refer to Figures 2, 3, and 4, the electric vehicle structure of this creation, the electric vehicle 2 is provided with a head tube 22 in front of the frame unit 21, and a steering mechanism 221 is provided above the head tube 22. A front fork unit (front shock absorber) 23 is connected below the mechanism 221. A front wheel 24 is pivoted below the front fork unit 23. The frame unit 21 extends from the head pipe 22 toward the rear of the vehicle body with a main pipe 211. The main pipe 211 is extended to the rear of the vehicle body with a foot tube. The foot tube is a left and right foot tube 212 and a right foot tube 21. 3. The left foot tube 212 and the right foot tube 213 are provided with a pair of left and right rear frame 214 toward the rear of the vehicle body. The rear frame 214 has a rising portion 2141 and a side frame portion 2142. A horizontal tube 2141a is provided between the rear frame 214, a pair of left and right rear rocker arms P are pivoted on the lower rear of the rear frame 214, a rear wheel 25 is pivoted on the rear end of the rear rocker arm P, and one side of the rear wheel 25 is provided The driving unit 3 drives the rear wheel 25 to make the electric vehicle 2 move forward; behind the steering mechanism 221 and above the rear wheel 25 is provided a seat cushion 26 for the driver and passengers to ride, The seat cushion 26 is kept at a distance from the steering mechanism 221; the electric vehicle 2 is provided with a body cover unit 27 on the outer periphery. The body cover unit 27 has a front cover 271 covering the steering mechanism 221 and is disposed on the front cover A front body cover 272 underneath 271 and covering the front end of the body, a knee cover 273 arranged behind the front body cover 272, and a foot pedal 274 arranged below the steering mechanism 221 and the seat cushion 26 A bottom cover 275 is provided under the pedal 274, the electric vehicle 2 is provided with side body covers 276 on two sides below the seat cushion 26, and a central body cover 277 is provided below the front end of the seat cushion 26. A storage box 28 is provided below the seat cushion 26, and the upper part of the storage box 28 is shielded by the seat cushion 26; the power source of the electric vehicle 2 is based on the driving unit 3 driving the rear wheel 25. For example, in practice, the electric car 2 of this creation can also drive the rear wheel 25 with a front motor through a drive chain or a leather belt, or use a motor and a transmission box to form a driving mechanism to drive the rear wheel 25. Therefore, the rear wheel of this creation The driving mode of 25 is not limited to the driving unit 3, and is hereby explained first.

As shown in Figures 2, 3, and 4, the footrest 274 can form a footrest 29, which can be used by riders to rest their feet; the footrest 274, the bottom cover 275, and the The left foot tube 212 and the right foot tube 213 can define an accommodating space A, the accommodating space A battery box 5 is housed in A, the battery box 5 can accommodate the battery 4, and the battery 4 is electrically connected to the driving unit 3, thereby providing power to the driving unit 3 to drive the rear wheel 25 to rotate; The control device (not shown in the figure) provided on the steering mechanism 221 can be used to activate the driving unit 3 to drive the rear wheel 25 to rotate, and then to make the electric vehicle 2 run.

As shown in Figures 2, 3, and 4, the battery box 5 is placed in the footrest 274 and the bottom cover 275, and the left foot tube 212 and the right foot toward the front and rear direction of the body of the electric vehicle 2. The foot tube 213 defines an accommodating space A, the left foot tube 212 is provided with a left axle support portion 2121, the right foot tube 213 is provided with a right axle support portion 2131; more specifically, the battery box 5 has two sides facing A support shaft 51 is protrudingly provided in the left and right direction of the vehicle body, and the battery box 5 is pivotally supported by the left foot pipe 212 in the left and right direction of the vehicle body by the support shaft 51, the left shaft support portion 2121 and the right shaft of the right foot pipe 213 The upper side of the battery box 5 is locked with the foot pedal 274, and the lower side of the battery box 5 is locked with the bottom cover 275; one side of the battery box 5 is provided with an opening device 6.

As shown in Figures 2, 3, and 4, the steering mechanism 221 is provided with a control unit 7 (or other control switches, the master switch lock is used as an example for illustration) that can control the opening device 6 to act, which can be borrowed The opening device 6 is actuated by the control unit 7 so that the battery box 5 is rotated to the open position or the storage position in the front and rear direction of the vehicle body with the pivot 51 as the center of rotation, and is slightly in contact with the ground. It is turned on at a right angle to facilitate the driver to withdraw the battery 4 from the battery box 5. The opening device 6 can be arranged on the left or right side of the battery box 5, that is, the opening device 6 can be arranged on the left foot tube 212 or the right foot tube 213. The embodiment of the invention uses the right foot tube 213 is used as an example, not to limit the implementation of this creation.

As shown in Figures 2, 3, and 4, a locking device 8 is provided on the horizontal tube 2141a between the rising portions 2141 of the frame unit 21, and the locking device 8 is hooked on the positioning member 52 of the battery box 5, and The locking device 8 can lock the battery box 5 (cannot be opened by the opening device 6) and unlock (can be opened by the opening device 6); the locking device 8 is connected to a first control actuation line 81. The other end of the first control actuation line 81 is connected to a first solenoid valve C, and one end of the first solenoid valve C is electrically connected to the control unit 7 through a first control wire 82, whereby the driver operates the The control unit 7 activates the first solenoid valve C via the first control wire 82, and the first solenoid valve C uses the first control actuation wire 81 to release the locking device 8 from locking and positioning the battery box 5. The control unit 7 can activate the opening device 6 at the same time, so that the battery box 5 is rotated to the opening position or the storage position in the front and rear direction of the vehicle body with the pivot 51 as the rotation center, and is slightly in line with the ground. Right-angle mode is turned on.

As shown in Figures 2, 3, and 4, in order to make the glove box 28 located below the seat cushion 26 have better anti-theft performance, the seat cushion 26 is provided with a seat cushion lock at the rear end (that is, the rear side of the vehicle body) 26a, the seat cushion lock 26a can lock or unlock the seat cushion 26. The seat cushion lock 26a is controlled by a second solenoid valve C1. More specifically, the second solenoid valve C1 has one end through A second control actuation wire 26a1 is connected to the seat cushion lock 26a, and the other end of the second solenoid valve C1 is connected to the control unit 7 by a second control wire 26a2, whereby the driver can operate the control unit 7 via The second control wire 26a2 activates the second solenoid valve C1, and the second solenoid valve C1 pulls the second control actuation line 26a1 to unlock the seat cushion lock 26a, thereby the seat cushion 26 It is turned on.

As shown in Figures 2, 3, 4, 5 and 6, the rear frame of the frame unit 21 A first fixing bracket 9 is provided on the same side of one of the 214 by locking or welding. One side of the first fixing bracket 9 is locked with a second fixing bracket 91. More specifically, the first fixing bracket 9 The fixing bracket 9 and the second fixing bracket 91 are located on the rising portion 2141 and the side frame portion 2142 of the rear frame 214. The first fixing bracket 9 can be provided with the first solenoid valve C. The second fixing The bracket 91 can be provided for the second solenoid valve C1, so that the first fixing bracket 9 and the second fixing bracket 91 can be made in the same form, and the difference between the first fixing bracket 9 and the second fixing bracket 91 can be reduced. The manufacturing cost, and the assembly process of the first fixing bracket 9 and the second fixing bracket 91 can be facilitated; one side of the first fixing bracket 9 is provided with an embedded device for the first control actuation wire 81 to be embedded Groove 9a, one side of the second fixing bracket 91 is provided with an embedding groove 91a for embedding the second control actuation wire 26a1; because the first solenoid valve C and the second solenoid valve C1 are Is located on the same side of the rear frame 214 of the frame unit 21, and the outer side of the rear frame 214 of the frame unit 21 is covered by the side body cover 276, so that the first solenoid valve C and the second solenoid valve C1 obtain a better shielding effect, so that the first solenoid valve C and the second solenoid valve C1 can be prevented from being attacked by external dust or moisture, thereby ensuring the first solenoid valve C And the usability of the second solenoid valve C1; in addition, the first solenoid valve C and the second solenoid valve C1 are arranged on the same side of the rear frame 214 of the frame unit 21, thereby when the When the first solenoid valve C and the second solenoid valve C1 need to be repaired and maintained, only the side car body cover 276 or the storage box 28 on one side needs to be removed at the same time. The first solenoid valve C and the second solenoid valve C1 The solenoid valve C1 undergoes overhaul and maintenance, which can improve the convenience of overhaul and maintenance of the first solenoid valve C and the second solenoid valve C1; further, the first solenoid valve C and the second solenoid valve C1 are Are arranged on the same side of the rear frame 214 of the frame unit 21, so that the first control actuation line 81 and the second control actuation line 26a 1 and the lengths of the first control wire 82 and the second control wire 26a2 are effectively shortened, thereby facilitating the arrangement of the first control actuation wire 81 and the second control actuation wire 26a1 and the lifting of the electric vehicle 2 Overall anti-theft.

The main effect of this creation is that the electric vehicle 2 has at least one frame unit 21 and a body cover unit 27 that can cover the frame unit 21; the frame unit 21 has at least a rear frame 214, The frame unit 21 is provided with a cushion 26, and the seat cushion 26 is controlled by a cushion lock 26a provided on the frame unit 21 to lock or unlock; the body cover unit 27 has at least a side body cover 276 And the foot pedal 274; below the foot pedal 274 is defined an accommodating space A, the accommodating space A accommodates a battery box 5, the battery box 5 accommodates a drive unit 3 capable of driving the electric vehicle 2 The battery 4 of the power supply. The battery box 5 can be locked or unlocked by a locking device 8. A first fixing bracket 9 is provided on the same side of the rear frame 214 by locking or welding. One side lock is provided with a second fixed bracket 91, the first fixed bracket 9 is provided with a first solenoid valve C, and the second fixed bracket 91 is provided with a second solenoid valve C1; The convenience of the overall operation and the overall anti-theft.

The second effect of this creation is that one end of the first solenoid valve C is connected to the locking device 8 with a first control actuation wire 81, and the other end is electrically connected to a control unit 7 via a first control wire 82; thereby The length of the first control actuation wire 81 and the first control wire 82 can be effectively shortened, so that the arrangement of the first control actuation wire 81 and the first control wire 82 can be improved, and the whole of the electric vehicle 2 can be improved. Anti-theft.

The third effect of this creation is that one end of the second solenoid valve C1 is connected to the seat cushion lock 26a by a second control actuation wire 26a1, and the other end is connected by a second control wire 2 6a2 is electrically connected to a control unit 7; thereby, the lengths of the second control actuation wire 26a1 and the second control wire 26a2 can be effectively shortened, thereby facilitating the second control actuation wire 26a1 and the second control wire 26a2 The configuration of the electric vehicle 2 and the overall anti-theft performance of the electric vehicle 2 are improved.

The fourth effect of this creation is that the first fixing bracket 9 and the second fixing bracket 91 are provided with embedded grooves 9a, 91a; thereby, the first control actuation line 81 and the second control actuation The wire 26a1 has better stable positioning and operability.

The fifth effect of this creation is that the first fixing bracket 9 is located on the rising portion 2141 of the frame unit 21; the second fixing bracket 91 is located on the side frame portion 2142 of the frame unit 21; Thereby, the assembly process of the first fixing bracket 9 and the second fixing bracket 91 can be facilitated.

The sixth effect of this creation is that the battery box 5 is pivotally supported in the accommodating space A in the left-right direction of the vehicle body by the support shaft 51; thereby, the extraction of the battery 4 can be facilitated.

The seventh effect of this creation is that by providing a central vehicle body cover 277 below the front end of the seat cushion 26, the battery box 5 is housed in the left foot tube 212, right foot tube 213, foot pedal 274 and After the accommodating space A defined by the bottom cover 275, at least a part of the rear of the battery box 5 is extended toward the rear of the vehicle body than the center body cover 277; The parts produce interference, which can further improve the use effect of the battery box 5.

The eighth effect of this creation is that the foot pedal 274 is locked on the upper side of the battery box 5, and the bottom cover 275 is provided on the lower side of the battery box 5; the feet on the upper side of the battery box 5 The pedal 274 and the bottom cover 275 located on the lower side of the battery box 5 are connected to the The battery box 5 is opened synchronously. When the battery box 5 is opened at a right angle to the ground, the rear end of the battery box 5 penetrates the lower edge of the accommodating space A toward the ground; thereby, it is convenient for the driver to move The battery 4 is drawn out of the battery box 5, and at the same time, it can prevent the battery box 5 from interfering with other parts when the battery box 5 is enlarged, and the use effect of the battery box 5 can be improved.

The ninth effect of this creation is that an opening device 6 is provided on one side of the battery box 5, and the opening device 6 is connected to a control unit 7; thereby, the extraction of the battery 4 can be facilitated.

The tenth effect of this creation is that a pair of left and right rear rocker arms P are pivoted on the lower rear of the rear frame 214, and a rear wheel 25 is pivoted on the rear end of the rear rocker arm P; thereby, the rear wheel 25 can be pivoted. The maneuverability of the electric car 2.

In summary, with the above-mentioned structure, this creation can improve the lack of knowledge and achieve the desired purpose. It has indeed improved the efficiency compared with the habitual users, and it has shown that it has the requirements of novelty, practicability and progress. It is proposed by law. For the application of a new model, I would like to ask your examiner for a detailed review, and I would like to grant the approval of the patent, which is very convenient.

2: electric car

21: Frame unit

211: Supervisor

213: Right foot tube

214: Rear Frame

2141: ascending part

2141a: horizontal tube

2142: Side frame

22: head tube

26: seat cushion

26a: seat cushion lock

26a1: Second control actuation line

26a2: second control wire

272: Front body cover

273: Knee Mask

274: Foot Pedal

275: bottom cover

277: Central body cover

28: storage box

29: Footrest

4: battery

41: second battery

5: Battery box

52: positioning parts

6: Turn on the device

7: Control unit

8: Locking device

81: The first control actuation line

82: The first control wire

9: The first fixing bracket

91: second fixing bracket

A: Housing space

C: The first solenoid valve

C1: The second solenoid valve

Claims (10)

An electric vehicle structure. The electric vehicle has at least a frame unit and a body cover unit capable of covering the frame unit; the frame unit has at least a rear frame, and a cushion is provided on the frame unit, The seat cushion is controlled by a seat cushion lock provided on the frame unit to lock or open; the body cover unit has at least a side body cover and a foot pedal; a accommodating space is defined below the foot pedal, A battery box is housed in the accommodating space, and a battery capable of supplying power to the driving unit for driving the electric vehicle is housed in the battery box. The battery box can be controlled by a locking device to lock or be opened, and is characterized in that: A first fixing bracket is locked or welded on the same side of the rear frame, a second fixing bracket is locked on one side of the first fixing bracket, a first solenoid valve is arranged on the first fixing bracket, and the first fixing bracket is provided with a first solenoid valve. A second solenoid valve is arranged on the two fixing brackets. The electric vehicle structure according to claim 1, wherein one end of the first solenoid valve is connected to the locking device through a first control actuation line, and the other end is electrically connected to a control unit through a first control wire. The electric vehicle structure according to claim 1, wherein one end of the second solenoid valve is connected to the seat cushion lock through a second control actuation line, and the other end is electrically connected to a control unit through a second control wire. The electric vehicle structure according to claim 1, wherein the first fixing bracket and the second fixing bracket are provided with embedded grooves. The electric vehicle structure according to claim 1 or 4, wherein the first fixing bracket is located on the rising portion of the frame unit; the second fixing bracket is located on the side frame portion of the frame unit. The electric vehicle structure according to claim 1, wherein the battery box is pivotally supported in the accommodating space in the left-right direction of the vehicle body by a support shaft. The electric vehicle structure according to claim 1, wherein the vehicle body cover unit has a central vehicle body cover; the central vehicle body cover is provided below the front end of the seat cushion, and the battery box is housed in the left foot of the frame unit In the accommodating space defined by the foot tube, the right foot tube, the foot pedal and the bottom cover, at least a part of the rear part of the battery box is extended toward the rear of the car body than the central car body cover. The electric vehicle structure according to claim 1, wherein a bottom cover is provided under the foot pedal, the foot pedal is locked on the upper side of the battery box, and the bottom cover is locked on the lower side of the battery box; The foot pedal on the upper side of the battery box and the bottom cover on the lower side of the battery box are opened synchronously with the battery box. When the battery box is opened at a right angle to the ground, the battery box The rear end passes through the lower edge of the accommodating space toward the ground. The electric vehicle structure according to any one of claim 1, 6, 7 or 8, wherein an opening device is provided on one side of the battery box, and the opening device is connected to a control unit. The electric vehicle structure according to claim 1, wherein a pair of left and right rear rocker arms are pivoted on the lower rear of the rear frame, and a rear wheel is pivoted on the rear end of the rear rocker arm.

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